CVE-2026-111269

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{"bugzilla": {"description": "libical: libical: Denial of Service via out-of-bounds read in icalvalue_decode_ical_string()", "id": "2553858", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553858"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in libical. When decoding calendar input ending with a trailing backslash, the library can read beyond allocated memory boundaries in the icalvalue_decode_ical_string() function. An attacker could supply specially crafted iCalendar data to cause an application crash, leading to a Denial of Service (DoS), or potentially expose adjacent memory contents."], "name": "CVE-2026-111269", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-15T21:43:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-111269\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-111269\nhttps://github.com/libical/libical\nhttps://github.com/libical/libical/blob/9cfca65c122fa23b9680a28e0c9225a2fd015fc5/src/libical/icalvalue.c#L1608-L1645\nhttps://github.com/libical/libical/commit/d753885ce2de7c105d6b8c405aa7aee1d98ad8de\nhttps://github.com/libical/libical/pull/1455\nhttps://hackmd.io/@haind-pwn/libical-icalvalue-decode-ical-string-oob-read\nhttps://www.vulncheck.com/advisories/libical-through-4.0.6-heap-out-of-bounds-read-via-icalvalue-decode-ical-string"], "threat_severity": "Moderate"}

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